WHMIS (Montmorillonite)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Combustible dusts - See comments below1

• Carcinogenicity - Category 1A2 3 4 5
• Contains > 0.1% of a carcinogenic substance: crystalline silica

• Specific target organ toxicity - repeated exposure - Category 14 5
• Contains more than 1 % of a substance that is classified in this category : Cristalline silica

Danger

May cause cancer (H350)
Causes damage to organs through prolonged or repeated exposure (H372)

Ingredient disclosure

Comments: This product could belong to the hazard class "Combustible dust", based on various factors related to the combustibility and explosiveness of its dust, including composition, shape and size of the particles.

References

• ▲1.  IFA-Gestis, Information system on hazardous substances of the German Social Accident Insurance. Sankt Augustin, Germany : Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA).   https://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
• ▲2.  American Conference of Governmental Industrial Hygienists, Documentation of the threshold limit values and biological exposure indices / Documentation of TLV's and BEI's. 7th ed. Cincinnati, Ohio : ACGIH. (2001-). Publication #0100Doc. [RM-514008]   http://www.acgih.org
• ▲3.  IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, Silica, some silicates, coal dust and para-aramid fibrils. IARC monographs on the evaluation of carcinogenic risks to humans, Vol. 68. Lyon : International Agency for Research on Cancer. (1997).   https://monographs.iarc.fr/wp-content/uploads/2018/06/mono68.pdf
  http://www.iarc.fr
• ▲4.  International Programme on Chemical Safety, Environmental Health Criteria 231: BENTONITE, KAOLIN, AND SELECTED CLAY MINERALS. Genève : World Health Organization. (2005). EHC231.   http://www.inchem.org/documents/ehc/ehc/ehc231.htm
• ▲5.  Delabre, L. et al., Éléments techniques sur l'exposition professionnelle aux poussières alvéolaires de silice cristalline libre: Présentation d'une matrice emplois-expositions aux poussières alvéolaires de silice cristalline libre.   http://www.invs.sante.fr/publications/2010/matgene_poussieres_alveolaires_silice/rapport_matgene_poussieres_alveolaires_silice.pdf

The [number] refers to the Information SST database of the CNESST Documentation Center.